Step |
Hyp |
Ref |
Expression |
1 |
|
mcubic.b |
|
2 |
|
mcubic.c |
|
3 |
|
mcubic.d |
|
4 |
|
mcubic.x |
|
5 |
|
mcubic.t |
|
6 |
|
mcubic.3 |
|
7 |
|
mcubic.g |
|
8 |
|
mcubic.2 |
|
9 |
|
mcubic.m |
|
10 |
|
mcubic.n |
|
11 |
|
mcubic.0 |
|
12 |
1
|
sqcld |
|
13 |
|
3cn |
|
14 |
|
mulcl |
|
15 |
13 2 14
|
sylancr |
|
16 |
12 15
|
subcld |
|
17 |
9 16
|
eqeltrd |
|
18 |
13
|
a1i |
|
19 |
|
3ne0 |
|
20 |
19
|
a1i |
|
21 |
17 18 20
|
divcld |
|
22 |
21
|
negcld |
|
23 |
|
2cn |
|
24 |
|
3nn0 |
|
25 |
|
expcl |
|
26 |
1 24 25
|
sylancl |
|
27 |
|
mulcl |
|
28 |
23 26 27
|
sylancr |
|
29 |
|
9cn |
|
30 |
1 2
|
mulcld |
|
31 |
|
mulcl |
|
32 |
29 30 31
|
sylancr |
|
33 |
28 32
|
subcld |
|
34 |
|
2nn0 |
|
35 |
|
7nn |
|
36 |
34 35
|
decnncl |
|
37 |
36
|
nncni |
|
38 |
|
mulcl |
|
39 |
37 3 38
|
sylancr |
|
40 |
33 39
|
addcld |
|
41 |
10 40
|
eqeltrd |
|
42 |
37
|
a1i |
|
43 |
36
|
nnne0i |
|
44 |
43
|
a1i |
|
45 |
41 42 44
|
divcld |
|
46 |
1 18 20
|
divcld |
|
47 |
4 46
|
addcld |
|
48 |
5 18 20
|
divcld |
|
49 |
48
|
negcld |
|
50 |
|
3nn |
|
51 |
50
|
a1i |
|
52 |
|
n2dvds3 |
|
53 |
52
|
a1i |
|
54 |
|
oexpneg |
|
55 |
48 51 53 54
|
syl3anc |
|
56 |
24
|
a1i |
|
57 |
5 18 20 56
|
expdivd |
|
58 |
|
3exp3 |
|
59 |
58
|
a1i |
|
60 |
6 59
|
oveq12d |
|
61 |
41 7
|
addcld |
|
62 |
|
2cnd |
|
63 |
|
2ne0 |
|
64 |
63
|
a1i |
|
65 |
61 62 42 64 44
|
divdiv32d |
|
66 |
41 7
|
addcomd |
|
67 |
66
|
oveq1d |
|
68 |
7 41 42 44
|
divdird |
|
69 |
67 68
|
eqtrd |
|
70 |
69
|
oveq1d |
|
71 |
7 42 44
|
divcld |
|
72 |
71 45 62 64
|
divdird |
|
73 |
65 70 72
|
3eqtrd |
|
74 |
57 60 73
|
3eqtrd |
|
75 |
74
|
negeqd |
|
76 |
71
|
halfcld |
|
77 |
45
|
halfcld |
|
78 |
76 77
|
negdi2d |
|
79 |
55 75 78
|
3eqtrd |
|
80 |
76
|
negcld |
|
81 |
|
sqneg |
|
82 |
76 81
|
syl |
|
83 |
71 62 64
|
sqdivd |
|
84 |
45 62 64
|
sqdivd |
|
85 |
41 42 44
|
sqdivd |
|
86 |
85
|
oveq1d |
|
87 |
84 86
|
eqtr2d |
|
88 |
|
4cn |
|
89 |
88
|
a1i |
|
90 |
|
expcl |
|
91 |
17 24 90
|
sylancl |
|
92 |
37
|
sqcli |
|
93 |
92
|
a1i |
|
94 |
|
sqne0 |
|
95 |
42 94
|
syl |
|
96 |
44 95
|
mpbird |
|
97 |
89 91 93 96
|
divassd |
|
98 |
29
|
a1i |
|
99 |
|
9nn |
|
100 |
99
|
nnne0i |
|
101 |
100
|
a1i |
|
102 |
17 98 101 56
|
expdivd |
|
103 |
23 13
|
mulcomi |
|
104 |
103
|
oveq2i |
|
105 |
|
expmul |
|
106 |
13 34 24 105
|
mp3an |
|
107 |
|
expmul |
|
108 |
13 24 34 107
|
mp3an |
|
109 |
104 106 108
|
3eqtr3i |
|
110 |
|
sq3 |
|
111 |
110
|
oveq1i |
|
112 |
58
|
oveq1i |
|
113 |
109 111 112
|
3eqtr3i |
|
114 |
113
|
oveq2i |
|
115 |
102 114
|
eqtrdi |
|
116 |
115
|
oveq2d |
|
117 |
97 116
|
eqtr4d |
|
118 |
117
|
oveq1d |
|
119 |
|
sq2 |
|
120 |
119
|
oveq2i |
|
121 |
17 98 101
|
divcld |
|
122 |
|
expcl |
|
123 |
121 24 122
|
sylancl |
|
124 |
|
4ne0 |
|
125 |
124
|
a1i |
|
126 |
123 89 125
|
divcan3d |
|
127 |
120 126
|
eqtrid |
|
128 |
118 127
|
eqtrd |
|
129 |
87 128
|
oveq12d |
|
130 |
41
|
sqcld |
|
131 |
130 93 96
|
divcld |
|
132 |
|
mulcl |
|
133 |
88 91 132
|
sylancr |
|
134 |
133 93 96
|
divcld |
|
135 |
23
|
sqcli |
|
136 |
135
|
a1i |
|
137 |
119 124
|
eqnetri |
|
138 |
137
|
a1i |
|
139 |
131 134 136 138
|
divsubdird |
|
140 |
77
|
sqcld |
|
141 |
140 123
|
negsubd |
|
142 |
129 139 141
|
3eqtr4d |
|
143 |
7 42 44
|
sqdivd |
|
144 |
8
|
oveq1d |
|
145 |
130 133 93 96
|
divsubdird |
|
146 |
143 144 145
|
3eqtrd |
|
147 |
146
|
oveq1d |
|
148 |
|
oexpneg |
|
149 |
121 51 53 148
|
syl3anc |
|
150 |
149
|
oveq2d |
|
151 |
142 147 150
|
3eqtr4d |
|
152 |
82 83 151
|
3eqtrd |
|
153 |
17 18 18 20 20
|
divdiv1d |
|
154 |
|
3t3e9 |
|
155 |
154
|
oveq2i |
|
156 |
153 155
|
eqtrdi |
|
157 |
156
|
negeqd |
|
158 |
21 18 20
|
divnegd |
|
159 |
157 158
|
eqtr3d |
|
160 |
|
eqidd |
|
161 |
5 18 11 20
|
divne0d |
|
162 |
48 161
|
negne0d |
|
163 |
22 45 47 49 79 80 152 159 160 162
|
dcubic |
|
164 |
|
binom3 |
|
165 |
4 46 164
|
syl2anc |
|
166 |
4
|
sqcld |
|
167 |
18 166 46
|
mul12d |
|
168 |
1 18 20
|
divcan2d |
|
169 |
168
|
oveq2d |
|
170 |
166 1
|
mulcomd |
|
171 |
167 169 170
|
3eqtrd |
|
172 |
171
|
oveq2d |
|
173 |
172
|
oveq1d |
|
174 |
165 173
|
eqtrd |
|
175 |
174
|
oveq1d |
|
176 |
|
expcl |
|
177 |
4 24 176
|
sylancl |
|
178 |
1 166
|
mulcld |
|
179 |
177 178
|
addcld |
|
180 |
46
|
sqcld |
|
181 |
4 180
|
mulcld |
|
182 |
18 181
|
mulcld |
|
183 |
|
expcl |
|
184 |
46 24 183
|
sylancl |
|
185 |
182 184
|
addcld |
|
186 |
22 47
|
mulcld |
|
187 |
186 45
|
addcld |
|
188 |
179 185 187
|
addassd |
|
189 |
22 4 46
|
adddid |
|
190 |
189
|
oveq1d |
|
191 |
22 4
|
mulcld |
|
192 |
22 46
|
mulcld |
|
193 |
191 192 45
|
addassd |
|
194 |
9
|
oveq1d |
|
195 |
12 15 18 20
|
divsubdird |
|
196 |
2 18 20
|
divcan3d |
|
197 |
196
|
oveq2d |
|
198 |
194 195 197
|
3eqtrd |
|
199 |
198
|
negeqd |
|
200 |
12 18 20
|
divcld |
|
201 |
200 2
|
negsubdi2d |
|
202 |
199 201
|
eqtrd |
|
203 |
202
|
oveq1d |
|
204 |
2 200 4
|
subdird |
|
205 |
200 4
|
mulcomd |
|
206 |
13
|
sqvali |
|
207 |
206
|
oveq2i |
|
208 |
1 18 20
|
sqdivd |
|
209 |
12 18 18 20 20
|
divdiv1d |
|
210 |
207 208 209
|
3eqtr4a |
|
211 |
210
|
oveq2d |
|
212 |
200 18 20
|
divcan2d |
|
213 |
211 212
|
eqtrd |
|
214 |
213
|
oveq2d |
|
215 |
4 18 180
|
mul12d |
|
216 |
205 214 215
|
3eqtr2d |
|
217 |
216
|
oveq2d |
|
218 |
203 204 217
|
3eqtrd |
|
219 |
202
|
oveq1d |
|
220 |
2 200 46
|
subdird |
|
221 |
2 1 18 20
|
divassd |
|
222 |
2 1
|
mulcomd |
|
223 |
222
|
oveq1d |
|
224 |
221 223
|
eqtr3d |
|
225 |
12 18 1 18 20 20
|
divmuldivd |
|
226 |
|
df-3 |
|
227 |
226
|
oveq2i |
|
228 |
|
expp1 |
|
229 |
1 34 228
|
sylancl |
|
230 |
227 229
|
eqtr2id |
|
231 |
154
|
a1i |
|
232 |
230 231
|
oveq12d |
|
233 |
225 232
|
eqtrd |
|
234 |
224 233
|
oveq12d |
|
235 |
219 220 234
|
3eqtrd |
|
236 |
10
|
oveq1d |
|
237 |
33 39 42 44
|
divdird |
|
238 |
28 32 42 44
|
divsubdird |
|
239 |
|
9t3e27 |
|
240 |
239
|
oveq2i |
|
241 |
30 18 98 20 101
|
divcan5d |
|
242 |
240 241
|
eqtr3id |
|
243 |
242
|
oveq2d |
|
244 |
238 243
|
eqtrd |
|
245 |
3 42 44
|
divcan3d |
|
246 |
244 245
|
oveq12d |
|
247 |
236 237 246
|
3eqtrd |
|
248 |
235 247
|
oveq12d |
|
249 |
26 98 101
|
divcld |
|
250 |
28 42 44
|
divcld |
|
251 |
249 250
|
negsubdi2d |
|
252 |
1 18 20 56
|
expdivd |
|
253 |
58
|
oveq2i |
|
254 |
|
ax-1cn |
|
255 |
|
2p1e3 |
|
256 |
13 23 254 255
|
subaddrii |
|
257 |
256
|
oveq1i |
|
258 |
26
|
mulid2d |
|
259 |
257 258
|
eqtrid |
|
260 |
18 62 26
|
subdird |
|
261 |
259 260
|
eqtr3d |
|
262 |
261
|
oveq1d |
|
263 |
|
mulcl |
|
264 |
13 26 263
|
sylancr |
|
265 |
264 28 42 44
|
divsubdird |
|
266 |
262 265
|
eqtrd |
|
267 |
253 266
|
eqtrid |
|
268 |
29 13 239
|
mulcomli |
|
269 |
268
|
oveq2i |
|
270 |
26 98 18 101 20
|
divcan5d |
|
271 |
269 270
|
eqtr3id |
|
272 |
271
|
oveq1d |
|
273 |
252 267 272
|
3eqtrd |
|
274 |
273
|
negeqd |
|
275 |
30 18 20
|
divcld |
|
276 |
275 249 250
|
npncan3d |
|
277 |
251 274 276
|
3eqtr4d |
|
278 |
277
|
oveq1d |
|
279 |
184
|
negcld |
|
280 |
279 3
|
addcomd |
|
281 |
235 192
|
eqeltrrd |
|
282 |
250 275
|
subcld |
|
283 |
281 282 3
|
addassd |
|
284 |
278 280 283
|
3eqtr3d |
|
285 |
3 184
|
negsubd |
|
286 |
248 284 285
|
3eqtr2d |
|
287 |
218 286
|
oveq12d |
|
288 |
190 193 287
|
3eqtrd |
|
289 |
2 4
|
mulcld |
|
290 |
289 3 182 184
|
addsub4d |
|
291 |
288 290
|
eqtr4d |
|
292 |
291
|
oveq2d |
|
293 |
289 3
|
addcld |
|
294 |
185 293
|
pncan3d |
|
295 |
292 294
|
eqtrd |
|
296 |
295
|
oveq2d |
|
297 |
175 188 296
|
3eqtrd |
|
298 |
297
|
eqeq1d |
|
299 |
|
oveq1 |
|
300 |
|
0exp |
|
301 |
50 300
|
ax-mp |
|
302 |
299 301
|
eqtrdi |
|
303 |
|
0ne1 |
|
304 |
303
|
a1i |
|
305 |
302 304
|
eqnetrd |
|
306 |
305
|
necon2i |
|
307 |
|
eqcom |
|
308 |
1
|
adantr |
|
309 |
|
simprl |
|
310 |
5
|
adantr |
|
311 |
309 310
|
mulcld |
|
312 |
17
|
adantr |
|
313 |
|
simprr |
|
314 |
11
|
adantr |
|
315 |
309 310 313 314
|
mulne0d |
|
316 |
312 311 315
|
divcld |
|
317 |
311 316
|
addcld |
|
318 |
13
|
a1i |
|
319 |
19
|
a1i |
|
320 |
308 317 318 319
|
divdird |
|
321 |
308 311 316
|
addassd |
|
322 |
321
|
oveq1d |
|
323 |
46
|
adantr |
|
324 |
317 318 319
|
divcld |
|
325 |
323 324
|
subnegd |
|
326 |
320 322 325
|
3eqtr4d |
|
327 |
326
|
negeqd |
|
328 |
324
|
negcld |
|
329 |
323 328
|
negsubdi2d |
|
330 |
327 329
|
eqtrd |
|
331 |
330
|
eqeq1d |
|
332 |
307 331
|
syl5bb |
|
333 |
4
|
adantr |
|
334 |
328 323 333
|
subadd2d |
|
335 |
311 316 318 319
|
divdird |
|
336 |
335
|
negeqd |
|
337 |
311 318 319
|
divcld |
|
338 |
316 318 319
|
divcld |
|
339 |
337 338
|
negdi2d |
|
340 |
309 310 318 319
|
divassd |
|
341 |
340
|
negeqd |
|
342 |
48
|
adantr |
|
343 |
309 342
|
mulneg2d |
|
344 |
341 343
|
eqtr4d |
|
345 |
312 311 318 315 319
|
divdiv32d |
|
346 |
21
|
adantr |
|
347 |
346 311 318 315 319
|
divcan7d |
|
348 |
156
|
oveq1d |
|
349 |
348
|
adantr |
|
350 |
345 347 349
|
3eqtr2d |
|
351 |
121
|
adantr |
|
352 |
311 318 315 319
|
divne0d |
|
353 |
351 337 352
|
div2negd |
|
354 |
344
|
oveq2d |
|
355 |
350 353 354
|
3eqtr2d |
|
356 |
344 355
|
oveq12d |
|
357 |
336 339 356
|
3eqtrd |
|
358 |
357
|
eqeq2d |
|
359 |
332 334 358
|
3bitrrd |
|
360 |
359
|
anassrs |
|
361 |
306 360
|
sylan2 |
|
362 |
361
|
pm5.32da |
|
363 |
362
|
rexbidva |
|
364 |
163 298 363
|
3bitr3d |
|